AirHint found the following cheapest return flights from Houston (IAH) to Bangkok (BKK) in May 2026 (see full year).

Return flights

06 May - 20 May	Spirit Airlines
06 May - 13 May	Turkish Airlines
14 May - 19 May	WestJet
08 May - 13 May	EVA Air
20 May - 27 May	Zipair
09 May - 23 May	Spirit Airlines
19 May - 04 Jun	WestJet
20 May - 24 May	Zipair
15 May - 26 May	Turkish Airlines
25 May - 12 Jun	WestJet
25 May - 13 Jun	WestJet
15 May - 24 May	Turkish Airlines
22 May - 05 Jun	Zipair
21 May - 25 May	Air Canada
22 May - 04 Jun	Zipair

Also check the deals for one-way flights from Houston to Bangkok in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Houston to Bangkok in May from $827

Return flights